$ git clone -n https://src.fedoraproject.org/rpms/perl-Sys-Mmap.git /var/lib/mock/f41-build-817720-150855/root/chroot_tmpdir/scmroot/perl-Sys-Mmap
Cloning into '/var/lib/mock/f41-build-817720-150855/root/chroot_tmpdir/scmroot/perl-Sys-Mmap'...
$ git fetch origin 9b51906de9d934a63c582bf0e027d376dbe59e18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sys-Mmap
 * [new ref]         9b51906de9d934a63c582bf0e027d376dbe59e18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b51906 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild